Weird Worlds.
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| Title: | Weird Worlds. |
|---|---|
| Authors: | Callaway, K. R. (AUTHOR) |
| Source: | Scientific American. Jun2026, Vol. 334 Issue 6, p8-11. 4p. 1 Color Photograph. |
| Subjects: | Sulfur, Extrasolar planets, Protoplanetary disks, Dwarf stars, Atmospheric composition, Lava |
| Abstract: | The article focuses on the exoplanet L 98-59 d, a sulfur-rich world characterized by a molten magma ocean and a surface temperature exceeding 1,500 degrees Celsius, which challenges existing planetary classification systems. Discovered in 2019 orbiting a red dwarf star, L 98-59 d is about 1.6 times Earth's size but has an unusually low density and a persistent sulfurous atmosphere, unlike typical young volcanic planets. Researchers propose that this planet represents a new class of molten, sulfurous exoplanets formed from volatile-rich protoplanetary disks, suggesting a continuum of planetary types beyond traditional categories like rocky or ocean worlds. Ongoing observations aim to refine understanding of its atmospheric composition and surface conditions, with the potential for identifying similar planets in the near future. This discovery highlights the evolving nature of exoplanet research and the need for more nuanced classification frameworks. [Extracted from the article] |
| Copyright of Scientific American is the property of Scientific American and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Psychology and Behavioral Sciences Collection |
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| FullText | Text: Availability: 1 |
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| Header | DbId: pbh DbLabel: Psychology and Behavioral Sciences Collection An: 193695781 AccessLevel: 6 PubType: Periodical PubTypeId: serialPeriodical PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Weird Worlds. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Callaway%2C+K%2E+R%2E%22">Callaway, K. R.</searchLink> (AUTHOR) – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Scientific+American%22">Scientific American</searchLink>. Jun2026, Vol. 334 Issue 6, p8-11. 4p. 1 Color Photograph. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Sulfur%22">Sulfur</searchLink><br /><searchLink fieldCode="DE" term="%22Extrasolar+planets%22">Extrasolar planets</searchLink><br /><searchLink fieldCode="DE" term="%22Protoplanetary+disks%22">Protoplanetary disks</searchLink><br /><searchLink fieldCode="DE" term="%22Dwarf+stars%22">Dwarf stars</searchLink><br /><searchLink fieldCode="DE" term="%22Atmospheric+composition%22">Atmospheric composition</searchLink><br /><searchLink fieldCode="DE" term="%22Lava%22">Lava</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: The article focuses on the exoplanet L 98-59 d, a sulfur-rich world characterized by a molten magma ocean and a surface temperature exceeding 1,500 degrees Celsius, which challenges existing planetary classification systems. Discovered in 2019 orbiting a red dwarf star, L 98-59 d is about 1.6 times Earth's size but has an unusually low density and a persistent sulfurous atmosphere, unlike typical young volcanic planets. Researchers propose that this planet represents a new class of molten, sulfurous exoplanets formed from volatile-rich protoplanetary disks, suggesting a continuum of planetary types beyond traditional categories like rocky or ocean worlds. Ongoing observations aim to refine understanding of its atmospheric composition and surface conditions, with the potential for identifying similar planets in the near future. This discovery highlights the evolving nature of exoplanet research and the need for more nuanced classification frameworks. [Extracted from the article] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Scientific American is the property of Scientific American and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
| PLink | https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=pbh&AN=193695781 |
| RecordInfo | BibRecord: BibEntity: Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 4 StartPage: 8 Subjects: – SubjectFull: Sulfur Type: general – SubjectFull: Extrasolar planets Type: general – SubjectFull: Protoplanetary disks Type: general – SubjectFull: Dwarf stars Type: general – SubjectFull: Atmospheric composition Type: general – SubjectFull: Lava Type: general Titles: – TitleFull: Weird Worlds. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Callaway, K. R. IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 06 Text: Jun2026 Type: published Y: 2026 Identifiers: – Type: issn-print Value: 00368733 Numbering: – Type: volume Value: 334 – Type: issue Value: 6 Titles: – TitleFull: Scientific American Type: main |
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